/*
    Copyright (C) 2013 maik.jablonski@jease.org

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package jfix.zk;

import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;

public class Textfield extends org.zkoss.zul.Textbox {

	public Textfield() {
		this(null);
	}

	public Textfield(String str) {
		super(str);
		setHflex("1");
	}

	public boolean isEmpty() {
		return "".equals(getValue().trim());
	}

	public void setText(Object text) {
		if (text == null) {
			super.setText("");
		} else {
			super.setText(String.valueOf(text));
		}
	}

	public boolean isInteger() {
		try {
			Integer.parseInt(getValue());
		} catch (NumberFormatException e) {
			return false;
		}
		return true;
	}

	public boolean containsHtml() {
		return getValue() != null
				&& (getValue().contains("<") || getValue().contains(">"));
	}

	public int getInteger() {
		try {
			return Integer.parseInt(getValue());
		} catch (NumberFormatException e) {
			return 0;
		}
	}
	
	public void addChangingListener(final ActionListener actionListener) {
		addEventListener(Events.ON_CHANGING, new EventListener() {
			public void onEvent(Event e) throws Exception {
				actionListener.actionPerformed(e);
			}
		});
	}
}
